feat: add SwiftPackageManagerKit target and initial implementation

- Add SwiftPackageManagerKit library target to Package.swift
- Create Sources/SwiftPackageManagerKit directory structure with Models, Execution, Analysis, Validation, and Utilities subdirectories
- Add initial SwiftPackageManagerKit.swift with version info
- Verify target builds successfully
- Complete task 1.1: SwiftPackageManagerKit target setup

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: leogdion

.taskmaster/tasks/tasks.json

@@ -9,7 +9,7 @@
         "testStrategy": "Unit tests for JSON parsing with fixture files containing sample dump-package outputs, integration tests for SPMExecutor with real swift package commands on test packages, validate error handling for malformed JSON and failed processes",
         "priority": "high",
         "dependencies": [],
-        "status": "pending",
+        "status": "in-progress",
         "subtasks": [
           {
             "id": 1,
@@ -679,7 +679,7 @@
     ],
     "metadata": {
       "created": "2025-08-14T21:02:02.251Z",
-      "updated": "2025-08-14T21:02:02.251Z",
+      "updated": "2025-08-15T18:23:02.866Z",
       "description": "Tasks for master context"
     }
   }

Package.resolved

@@ -11,12 +11,13 @@ let package = Package(
     .macOS(.v13)
   ],
   products: [
-    .library(name: "PackageDSLKit", targets: ["PackageDSLKit"])
+    .library(name: "PackageDSLKit", targets: ["PackageDSLKit"]),
+    .library(name: "SwiftPackageManagerKit", targets: ["SwiftPackageManagerKit"])
   ],
   dependencies: [
     .package(url: "https://github.com/apple/swift-argument-parser.git", from: "1.4.0"),
     .package(url: "https://github.com/swiftlang/swift-syntax.git", from: "601.0.0-prerelease-2024-11-18"),
-    .package(url: "https://github.com/apple/swift-docc-plugin", from: "1.4.0"),
+    .package(url: "https://github.com/swiftlang/swift-docc-plugin", from: "1.4.0"),
     .package(url: "https://github.com/apple/swift-log.git", from: "1.6.0"),
     .package(path: "Packages/SyntaxKit")
   ],
@@ -41,6 +42,9 @@ let package = Package(
         .copy("Resources/PackageDSL.swift.txt")
       ]
     ),
+    .target(
+      name: "SwiftPackageManagerKit"
+    ),
     .executableTarget(
       name: "package",
       dependencies: [

Package.swift

@@ -0,0 +1,10 @@
+import Foundation
+
+/// SwiftPackageManagerKit provides tools for integrating with Swift Package Manager
+public struct SwiftPackageManagerKit {
+    
+    /// The current version of SwiftPackageManagerKit
+    public static let version = "1.0.0"
+    
+    private init() {}
+}